000 00422nam a2200145 4500
082 _a330.9 BRO-S
100 _aBrown, Lester R, et al.
245 _aState of the world 1987: A world watch institute report on progress toward a sustainable society
250 _a
260 _aNew Delhi
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_c1987
300 _a
490 _a
650 _aEconomic history and geography
942 _cBK
999 _c591621
_d591621